3-atari에서 breakout_a3c.py 실행에 관한 문제

[rhkatjd00]

PC1
cpu: intel i-5
no graphic card
python 3.5
tensorflow 1.14
keras 2.3.0

PC2
cpu: inter i-7
rtx-2070
python 3.5
tensorflow 1.14
keras 2.3.0

breakout_a3c.py 실행 시
두 컴퓨터 모두 아래와 같은 에러가 발생합니다.
threading library관련 문제 같은데..

Model: "model_18"

---

Layer (type) Output Shape Param #

input_9 (InputLayer) (None, 84, 84, 4) 0

---

conv2d_17 (Conv2D) (None, 20, 20, 16) 4112

---

conv2d_18 (Conv2D) (None, 9, 9, 32) 8224

---

flatten_9 (Flatten) (None, 2592) 0

---

dense_25 (Dense) (None, 256) 663808

---

dense_27 (Dense) (None, 1) 257

Total params: 676,401
Trainable params: 676,401
Non-trainable params: 0

---

Exception in thread Thread-2:
Traceback (most recent call last):
File "/usr/lib/python3.5/threading.py", line 914, in _bootstrap_inner
self.run()
File "/home/name/AdvRL/reinforcement-learning/3-atari/1-breakout/breakout_a3c.py", line 207, in run
action, policy = self.get_action(history)
File "/home/name/AdvRL/reinforcement-learning/3-atari/1-breakout/breakout_a3c.py", line 327, in get_action
policy = self.local_actor.predict(history)[0]
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/training.py", line 1462, in predict
callbacks=callbacks)
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/training_arrays.py", line 276, in predict_loop
callbacks.model.stop_training = False
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/network.py", line 323, in setattr
super(Network, self).setattr(name, value)
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/base_layer.py", line 1215, in setattr
if not _DISABLE_TRACKING.value:
AttributeError: '_thread._local' object has no attribute 'value'

Exception in thread Thread-3:
Traceback (most recent call last):
File "/usr/lib/python3.5/threading.py", line 914, in _bootstrap_inner
self.run()
File "/home/name/AdvRL/reinforcement-learning/3-atari/1-breakout/breakout_a3c.py", line 207, in run
action, policy = self.get_action(history)
File "/home/name/AdvRL/reinforcement-learning/3-atari/1-breakout/breakout_a3c.py", line 327, in get_action
policy = self.local_actor.predict(history)[0]
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/training.py", line 1462, in predict
callbacks=callbacks)
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/training_arrays.py", line 276, in predict_loop
callbacks.model.stop_training = False
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/network.py", line 323, in setattr
super(Network, self).setattr(name, value)
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/base_layer.py", line 1215, in setattr
if not _DISABLE_TRACKING.value:
AttributeError: '_thread._local' object has no attribute 'value'

Exception in thread Thread-4:
Traceback (most recent call last):
File "/usr/lib/python3.5/threading.py", line 914, in _bootstrap_inner
self.run()
File "/home/name/AdvRL/reinforcement-learning/3-atari/1-breakout/breakout_a3c.py", line 207, in run
action, policy = self.get_action(history)
File "/home/name/AdvRL/reinforcement-learning/3-atari/1-breakout/breakout_a3c.py", line 327, in get_action
policy = self.local_actor.predict(history)[0]
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/training.py", line 1462, in predict
callbacks=callbacks)
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/training_arrays.py", line 276, in predict_loop
callbacks.model.stop_training = False
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/network.py", line 323, in setattr
super(Network, self).setattr(name, value)
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/base_layer.py", line 1215, in setattr
if not _DISABLE_TRACKING.value:
AttributeError: '_thread._local' object has no attribute 'value'

Exception in thread Thread-5:
Traceback (most recent call last):
File "/usr/lib/python3.5/threading.py", line 914, in _bootstrap_inner
self.run()
File "/home/name/AdvRL/reinforcement-learning/3-atari/1-breakout/breakout_a3c.py", line 207, in run
action, policy = self.get_action(history)
File "/home/name/AdvRL/reinforcement-learning/3-atari/1-breakout/breakout_a3c.py", line 327, in get_action
policy = self.local_actor.predict(history)[0]
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/training.py", line 1462, in predict
callbacks=callbacks)
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/training_arrays.py", line 276, in predict_loop
callbacks.model.stop_training = False
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/network.py", line 323, in setattr
super(Network, self).setattr(name, value)
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/base_layer.py", line 1215, in setattr
if not _DISABLE_TRACKING.value:
AttributeError: '_thread._local' object has no attribute 'value'

Exception in thread Thread-6:
Traceback (most recent call last):
File "/usr/lib/python3.5/threading.py", line 914, in _bootstrap_inner
self.run()
File "/home/name/AdvRL/reinforcement-learning/3-atari/1-breakout/breakout_a3c.py", line 207, in run
action, policy = self.get_action(history)
File "/home/name/AdvRL/reinforcement-learning/3-atari/1-breakout/breakout_a3c.py", line 327, in get_action
policy = self.local_actor.predict(history)[0]
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/training.py", line 1462, in predict
callbacks=callbacks)
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/training_arrays.py", line 276, in predict_loop
callbacks.model.stop_training = False
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/network.py", line 323, in setattr
super(Network, self).setattr(name, value)
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/base_layer.py", line 1215, in setattr
if not _DISABLE_TRACKING.value:
AttributeError: '_thread._local' object has no attribute 'value'

Exception in thread Thread-7:
Traceback (most recent call last):
File "/usr/lib/python3.5/threading.py", line 914, in _bootstrap_inner
self.run()
File "/home/name/AdvRL/reinforcement-learning/3-atari/1-breakout/breakout_a3c.py", line 207, in run
action, policy = self.get_action(history)
File "/home/name/AdvRL/reinforcement-learning/3-atari/1-breakout/breakout_a3c.py", line 327, in get_action
policy = self.local_actor.predict(history)[0]
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/training.py", line 1462, in predict
callbacks=callbacks)
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/training_arrays.py", line 276, in predict_loop
callbacks.model.stop_training = False
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/network.py", line 323, in setattr
super(Network, self).setattr(name, value)
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/base_layer.py", line 1215, in setattr
if not _DISABLE_TRACKING.value:
AttributeError: '_thread._local' object has no attribute 'value'

Exception in thread Thread-8:
Traceback (most recent call last):
File "/usr/lib/python3.5/threading.py", line 914, in _bootstrap_inner
self.run()
File "/home/name/AdvRL/reinforcement-learning/3-atari/1-breakout/breakout_a3c.py", line 207, in run
action, policy = self.get_action(history)
File "/home/name/AdvRL/reinforcement-learning/3-atari/1-breakout/breakout_a3c.py", line 327, in get_action
policy = self.local_actor.predict(history)[0]
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/training.py", line 1462, in predict
callbacks=callbacks)
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/training_arrays.py", line 276, in predict_loop
callbacks.model.stop_training = False
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/network.py", line 323, in setattr
super(Network, self).setattr(name, value)
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/base_layer.py", line 1215, in setattr
if not _DISABLE_TRACKING.value:
AttributeError: '_thread._local' object has no attribute 'value'

Exception in thread Thread-9:
Traceback (most recent call last):
File "/usr/lib/python3.5/threading.py", line 914, in _bootstrap_inner
self.run()
File "/home/name/AdvRL/reinforcement-learning/3-atari/1-breakout/breakout_a3c.py", line 207, in run
action, policy = self.get_action(history)
File "/home/name/AdvRL/reinforcement-learning/3-atari/1-breakout/breakout_a3c.py", line 327, in get_action
policy = self.local_actor.predict(history)[0]
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/training.py", line 1462, in predict
callbacks=callbacks)
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/training_arrays.py", line 276, in predict_loop
callbacks.model.stop_training = False
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/network.py", line 323, in setattr
super(Network, self).setattr(name, value)
File "/home/name/.local/lib/python3.5/site-packages/keras/engine/base_layer.py", line 1215, in setattr
if not _DISABLE_TRACKING.value:
AttributeError: '_thread._local' object has no attribute 'value'

[dnddnjs]

keras에 이것과 비슷한 이슈를 찾아봤는데요. 아무래도 tensorflow 버전 문제인 것 같아요. tensorflow 버전 1.14.0에서 발생하는 이슈라고 합니다. 한 번 다른 버전의 tensorflow 로 테스트 해보시겠어요? 다음 이슈 참고 부탁드려요.
keras-team/keras#13336

[rhkatjd00]

@dnddnjs
저자님 감사합니다
keras버전을 낮추니까 문제가 해결되었습니다
$pip3 install 'keras<2.3.0'

[dnddnjs]

해결이 되어서 다행이에요-!!